Yamazaki, Takayoshi
Current rating: 1388
Record: 9-17
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1348 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 145 | Horibe, Satoshi (1569) | Lost 0-2 | -141334 |
| 2pioneer | 502 | Hosokawa, Takahiro (1252) | Won 2-0 | +161350 |
| 3pioneer | 640 | Yamamoto, Jun (1558) | Won 2-1 | +221372 |
| 4pioneer | 544 | Tazawa, Masayuki (1668) | Lost 0-2 | -131359 |
| 5pioneer | 546 | Takazawa, Takafumi (1497) | Lost 1-2 | -151344 |
| 6pioneer | 584 | Katsubayashi, Nobuhisa (1602) | Won 2-1 | +221366 |
| 7pioneer | 392 | Iwasaki, Junya (1556) | Won 2-1 | +221388 |
| top | average opponent: 1529record: 4-3 | new rating: 1388 | ||
| Grand Prix Nagoya 2019 (ELD standard) | starting rating: 1414 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 161 | Sakuragi, Yuta (1392) | Lost 0-2 | -181396 |
| 2standard | 467 | Maruyama, Koji (1570) | Lost 0-2 | -151381 |
| 3standard | 814 | Niwano, Yuhei (1392) | Won 2-0 | +181399 |
| 4standard | 662 | Sato, Koichiro (1408) | Lost 1-2 | -181381 |
| 5standard | 734 | Yatori, Naoyuki (1440) | Lost 1-2 | -171364 |
| 6standard | 695 | Shiraki, Yohei (1444) | Lost 0-2 | -161348 |
| top | average opponent: 1441record: 1-5 | new rating: 1348 | ||
| Grand Prix Yokohama 2013 (GTC limited) | starting rating: 1447 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 949 | Takasawa, Sho (1500) | Lost 1-2 | -171430 |
| 2sealed | 1028 | Shimoeda, Satoshi (1472) | Won 2-0 | +191449 |
| 3sealed | 925 | Maseguchi, Masashi (1467) | Lost 1-2 | -181431 |
| 4sealed | 1105 | K., Masatoshi (1482) | Lost 1-2 | -171414 |
| top | average opponent: 1480record: 1-3 | new rating: 1414 | ||
| Grand Prix Shizuoka 2003 (MRD limited) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 46 | Naduka, Tomonori (1500) | Won 2-0 | +181498 |
| 2sealed | 94 | Matsumura, Takehiko (1529) | Lost 1-2 | -171481 |
| 3sealed | 216 | Kozakai, Yukio (1595) | Lost 0-2 | -161465 |
| 4sealed | 238 | Iida, Masahiro (1484) | Lost 1-2 | -181447 |
| top | average opponent: 1527record: 1-3 | new rating: 1447 | ||
| Grand Prix Utsunomiya 2002 (ONS rochester) | starting rating: 1517 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 82 | Fujimori, Takamasa (1482) | Lost 0-2 | -191498 |
| 2sealed | 305 | Tezuka, Hisashi (1484) | Lost 1-2 | -181480 |
| top | average opponent: 1483record: 0-2 | new rating: 1480 | ||
| Grand Prix Shizuoka 2001 (ODY limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 95 | Suzuki, Mayumi (1463) | Won 2-1 | +171517 |
| 2sealed | 143 | Nishiwaki, Kazuhisa (1500) | Won 2-0 | +181535 |
| 3sealed | 62 | Ikeda, Tsuyoshi (1508) | Lost 0-2 | -181517 |
| top | average opponent: 1490record: 2-1 | new rating: 1517 | ||